In a 2012 interview, author Chrystia Freeland discusses her Gelber Prize-winning book "Plutocrats: The Rise of the New Global Super Rich and the Fall of Everyone Else." Then, Emma Donoghue talks about her novel, "The Pull of the Stars," set during the 1918 Spanish flu pandemic and discusses the striking resonance between then and now. And, Jeyan Jeganathan looks at a vertical farming technique that's the industry into the future. A Labour Day mix of old and new material.